package com.ys.io.IO流.p4字节输入l流;

import java.io.FileInputStream;

public class Test {
    public static void main(String[] args) {

        try (FileInputStream fileInputStream = new FileInputStream("a.txt")) {
            byte[] arr ={1,3,7,9};

            int read = fileInputStream.read();
            System.out.println(read);
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
